比较两个字典，一个是每个键的浮点值列表，另一个是每个键的值（python）

I have a query sequence that I blasted online using NCBIWWW.qblast. In my xml blast file result I obtained for a query sequence a list of hit (i.e: gi|). Each hit or gi| have multiple hsp. I made a dictionary my_dict1 where I placed gi| as key and I appended the bit score as value. So multiple values for each key. I have a query sequence that I blasted online u